Support Romanian ordinal formatting

[lin-hongkuan]

Fixes #270

Changes proposed in this pull request:

• Allow ordinal translations to provide a complete value-aware format while preserving the existing suffix-only fallback.
• Add Romanian ordinal translations for male and female forms, including the special 1 forms and numeric forms such as 21/23.
• Add regression coverage for Romanian ordinal output.

Validation:

• bash scripts/generate-translation-binaries.sh
• python -m pytest -q (776 passed)
• python -m ruff check .
• python -m ruff format --check .

[lin-hongkuan]

I do not have permission to add labels on this repository. This should use the changelog: Fixed label for the required PR label workflow.